Click on the third or sixth rank to set the en passant target square.

EGTB: draw

# move score
1 Ra4 draw
2 Rb3 draw
3 Ke7 loss in 2 half-moves
4 Ke8 loss in 2 half-moves
5 Kf7 loss in 2 half-moves
6 Kg7 loss in 2 half-moves
7 Kg8 loss in 2 half-moves
8 Rb1 loss in 2 half-moves
9 Rb2 loss in 2 half-moves
10 Rb5 loss in 2 half-moves
11 Rb6 loss in 2 half-moves
12 Rb7 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rd4 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves